There are at least 52 named lakes and reservoirs in Blaine County, Montana .
A lake is an area filled with water, localized in a basin, that is surrounded by land, apart from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, and therefore are distinct from lagoons, and are also larger and deeper than ponds, though there are no official or scientific definitions. Lakes can be contrasted with rivers or streams, which are usually flowing. Most lakes are fed and drained by rivers and streams.
A reservoir is, most commonly, an enlarged natural or artificial lake, pond or impoundment created using a dam or lock to store water.
Blaine County is a county in the U.S. state of Montana. As of the 2010 United States Census, the population was 6,491. Its county seat is Chinook. The county was named for James G. Blaine, former United States Secretary of State. It is on the north line of the state, and thus shares the southern border of Canada.
Duck Lake is a lake in the U.S. state of Montana. It is located 28.1 kilometres south of Carway, Alberta / Port of Piegan, Montana, and 11.4 kilometres east of Babb, Montana.